#!/bin/bash

# Slackware build script for jemalloc

# Copyright 2012-2014 Heinz Wiesinger, Amsterdam, The Netherlands
# Copyright 2014, 2015, 2017, 2018, 2022  Patrick J. Volkerding, Sebeka, MN, USA
# All rights reserved.
#
# Redistribution and use of this script, with or without modification, is
# permitted provided that the following conditions are met:
#
# 1. Redistributions of this script must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ''AS IS'' AND ANY EXPRESS OR IMPLIED
# WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
# EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
# OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
# OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

cd $(dirname $0) ; CWD=$(pwd)

PKGNAM=jemalloc
VERSION=${VERSION:-$(echo jemalloc-*.tar.?z | rev | cut -f 3- -d . | cut -f 1 -d - | rev)}
BUILD=${BUILD:-2}

if [ -z "$ARCH" ]; then
  case "$( uname -m )" in
    i?86) ARCH=i586 ;;
    arm*) ARCH=arm ;;
    loongarch64) ARCH=loong64 ;;
       *) ARCH=$( uname -m ) ;;
  esac
fi

# If the variable PRINT_PACKAGE_NAME is set, then this script will report what
# the name of the created package would be, and then exit. This information
# could be useful to other scripts.
if [ ! -z "${PRINT_PACKAGE_NAME}" ]; then
  echo "$PKGNAM-$VERSION-$ARCH-$BUILD.txz"
  exit 0
fi

NUMJOBS=${NUMJOBS:-" -j$(expr $(nproc) + 1) "}

if [ "$ARCH" = "i586" ]; then
  SLKCFLAGS="-march=i586 -mtune=i686"
  LIBDIRSUFFIX=""
  TARGET="x86"
elif [ "$ARCH" = "i686" ]; then
  SLKCFLAGS="-march=i686 -mtune=i686"
  LIBDIRSUFFIX=""
  TARGET="x86"
elif [ "$ARCH" = "x86_64" ]; then
  SLKCFLAGS="-fPIC"
  LIBDIRSUFFIX="64"
  TARGET="x86-64"
elif [ "$ARCH" = "loong64" ]; then
  SLKCFLAGS="-fPIC"
  LIBDIRSUFFIX="64"
  TARGET="loongarch64"
fi

TMP=${TMP:-/tmp}
PKG=$TMP/package-$PKGNAM

rm -rf $PKG
mkdir -p $TMP $PKG
cd $TMP
rm -rf $PKGNAM-$VERSION
tar xvf $CWD/$PKGNAM-$VERSION.tar.?z || exit 1
cd $PKGNAM-$VERSION || exit 1

chown -R root:root .
find -L . \
 \( -perm 777 -o -perm 775 -o -perm 750 -o -perm 711 -o -perm 555 \
  -o -perm 511 \) -exec chmod 755 {} \+ -o \
 \( -perm 666 -o -perm 664 -o -perm 640 -o -perm 600 -o -perm 444 \
  -o -perm 440 -o -perm 400 \) -exec chmod 644 {} \+

if [ ! -r configure ]; then
  if [ -x ./autogen.sh ]; then
    NOCONFIGURE=1 ./autogen.sh
  else
    autoreconf -vif
  fi
fi
CFLAGS="$SLKCFLAGS" \
CXXFLAGS="$SLKCFLAGS" \
./configure \
  --prefix=/usr \
  --libdir=/usr/lib$LIBDIRSUFFIX \
  --sysconfdir=/etc \
  --localstatedir=/var \
  --mandir=/usr/man \
  --build=loongarch64-slackware-linux || exit 1

make $NUMJOBS || make || exit 1
make install DESTDIR=$PKG || exit 1

# No static libraries in package:
find $PKG/usr/lib$LIBDIRSUFFIX -name '*.a' -exec rm -vf {} \+

find $PKG | xargs file | grep -e "executable" -e "shared object" | grep ELF \
  | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null || true

find $PKG/usr/man -type f -exec gzip -9 {} \+

mkdir -p $PKG/usr/doc/$PKGNAM-$VERSION
cp -a ChangeLog* COPYING* INSTALL README* VERSION \
  $PKG/usr/doc/$PKGNAM-$VERSION
mv $PKG/usr/share/doc/jemalloc/* $PKG/usr/doc/$PKGNAM-$VERSION/
rm -rf $PKG/usr/share/doc/jemalloc
rmdir $PKG/usr/share/doc $PKG/usr/share

mkdir -p $PKG/install
cat $CWD/slack-desc > $PKG/install/slack-desc

cd $PKG
/sbin/makepkg -l y -c n $TMP/$PKGNAM-$VERSION-$ARCH-$BUILD.txz